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devoutsalsa
1040 days ago
The observable universe has a diameter of about 47 billion light years!
https://imagine.gsfc.nasa.gov/educators/programs/cosmictimes...
1 comments
oneshtein
1040 days ago
Then we need to move the time of BB to 47/2 = 23.6By. Moreover, we should do that every time when we improve our telescopes.
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devoutsalsa
1035 days ago
Correction... I meant radius of 47 billion light years. It's about 94 billion light years across!
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